CNET reports Intel has been demonstrating its upcoming Xeon MP replacement—currently known as Tigerton. Tigerton will be the first Core micro architecture based Xeon MP processor. Current Xeon MP processors are based on the existing Netburst architecture that is being phased out by Intel. Tigerton is currently being demonstrated in four-way system configurations. Each Tigerton processor contains four cores for a total of 16 cores for the overall system.